Patent application number | Description | Published |
20090146668 | ANTI-PINCH SENSOR AND EVALUATION CIRCUIT - An anti-pinch sensor is provided for detecting an obstacle in the path of a regulating element of a motor vehicle, the sensor can include a sensor body, a first measuring electrode that can be arranged in the sensor body and can be used to produce a first outer electrical field in relation to a counter-electrode, and an electrically separated second measuring electrode that can be arranged adjacent to the first measuring electrode in the sensor body and can be used to produce a second outer electrical field in relation to the counter electrode. The measuring electrodes can be formed in such a way that the first outer electrical field has a larger range than the second outer electrical field. An evaluation circuit is also provided that is suitable for evaluating an anti-pinch sensor. The detection reliability of such a clamping sensor is not affected by dirt or water on a surface thereof. | 06-11-2009 |
20090146827 | ANTI-PINCH SENSOR - Anti-pinch sensor ( | 06-11-2009 |
20090256578 | ANTI-PINCH SENSOR - An anti-pinch sensor, particularly for detecting an obstacle in the path of an actuating element of a motor vehicle is provided, having a sensor body, a measuring electrode, which is disposed in the sensor body and to which a measuring potential can be applied, a calibrating electrode, which is electrically disconnected and disposed in the sensor body adjacent to the measuring electrode, and a control unit. The control unit controls the measuring electrode and the calibrating electrode such that the measuring potential and the calibrating potential are equal in a measuring phase, and differ from each other in a calibrating phase. | 10-15-2009 |
20100050787 | ANTI-PINCH SENSOR - An anti-pinch sensor ( | 03-04-2010 |
20100072933 | METHOD AND DEVICE FOR DETECTING THE ROTATION OF A BRUSH-OPERATED D.C. MOTOR - a method and a device for detecting the rotation of a brush-operated d.c. motor comprising a number of winding branches which are electrically connected between brushes, during the operation of the motor, by means of plates, according to the rotational angle. According to the invention, an alternating voltage signal is modulated on the basis of a supply direct voltage for the brushes, by which means the course of the complex resistance of the direct current motor is determined and used for the detection of rotation. In this way, the invention enables a cost-effective rotation detection that can be used in motor vehicle technology without requiring additional mechanical components. | 03-25-2010 |
20100231023 | ADJUSTING DEVICE FOR A HEADREST OF A MOTOR VEHICLE SEAT - An adjusting device for a headrest of a motor vehicle seat is specified. The adjusting device comprises, in a first variant, a capacitive proximity sensor integrated into or designed for integration into the headrest having at least three transmitting electrodes spaced apart vertically from one another and having a common receiving electrode. In a second variant of the adjusting device, the proximity sensor has at least at least three receiving electrodes spaced apart vertically from one another and has a common transmitting electrode. In both variants, the adjusting device also has an actuating drive for motorized vertical adjustment of the headrest relative to the vehicle seat, as well as a control unit. The control unit here is designed to drive the transmitting electrodes or transmitting electrode for emission of an alternating electric field to determine from the received electrical signals detected from the receiving electrode or the receiving electrodes, respective associated measured capacitance values that contain information about the capacitance produced between each of the transmitting electrodes or receiving electrodes and the common receiving electrode or transmitting electrode, and to drive the actuating drive to establish a vertical target position of the headrest relative to the head position of a vehicle occupant as a function of the measured capacitance values. | 09-16-2010 |
20100287837 | ANTI-PINCHING DEVICE - An anti-pinching device ( | 11-18-2010 |
20110001496 | PRODUCTION METHOD FOR A CAPACITIVE SENSOR UNIT - An apparatus and production method for a watertight capacitive sensor unit is provided. Accordingly, a carrier, approximately U-shaped in cross section, is made from a water-impermeable material. At least one electrode strip is placed in an interior space of the carrier along the longitudinal extension of the carrier. The interior space is filled with a hardening filler material in such a way that the electrode strip is sealed outwardly watertight. | 01-06-2011 |
20120043975 | SENSOR DEVICE FOR DETERMINING THE DEVIATION OF A HEAD SUPPORT POSITION FROM A TARGET POSITION - A sensor device for determining the deviation of the position of a head support of a motor vehicle seat from a target position is provided that includes a capacitative proximity sensor that can be integrated in a head support, having two transmitting electrodes disposed at a vertical distance from each other and a common receiving electrode. The sensor device further includes a control unit that can be set up for actuating the transmitting electrodes for transmitting an alternating electric field, determining a dimension for the vertical and horizontal deviation of the head support position from a target position relative to the position of a head of a vehicle occupant from received electrical signals captured by the receiving electrode and information about the capacitance formed between each of the transmitting electrodes and the receiving electrode determining the dimension for the vertical deviation of the head support position using a difference between the received signals associated with the two transmitting electrodes or parameters derived therefrom, and determining the dimension for the horizontal deviation of the head support position using the sum of the received signals associated with the two transmitting electrodes or parameters derived therefrom. | 02-23-2012 |
20130018551 | METHOD FOR OPERATING THE ON-BOARD ELECTRICAL POWER SYSTEM OF A MOTOR VEHICLEAANM Fuchs; ThorstenAACI HallstadtAACO DEAAGP Fuchs; Thorsten Hallstadt DEAANM Hering; MatthiasAACI ForchheimAACO DEAAGP Hering; Matthias Forchheim DEAANM Wuerstlein; HolgerAACI Zeil am MainAACO DEAAGP Wuerstlein; Holger Zeil am Main DEAANM Schindhelm; ThomasAACI Neahaus-SchierschnitzAACO DEAAGP Schindhelm; Thomas Neahaus-Schierschnitz DEAANM Russ; DetlefAACI EbersdorfAACO DEAAGP Russ; Detlef Ebersdorf DE - A method for operating the electrical system of a motor vehicle having a control unit with an operating mode and an energy-saving standby mode is described. A wake-up operator control event is detected by a sensor and has an associated time interval from the preceding wake-up operator control event. The time interval is ascertained when a wake-up operator control event is detected, and the control unit is woken up or not woken up. Each wake-up operator control event has an associated switch-off indicator which is ascertained each time a wake-up operator control event is detected, and the control unit is woken up or not woken up as a function of the level of the switch-off indicator with reference to a switch-off threshold. A change in the current switch-off indicator relative to the preceding switch-off indicator is all the greater the smaller the current time interval. | 01-17-2013 |
20130131917 | METHOD FOR THE SENSOR DETECTION OF AN OPERATOR CONTROL EVENT - A method for detection of a control event by a sensor arrangement having at least one sensor element and a sensor controller is described. The sensor controller digitizes sensor signals into sensor measured values. An operator control event is produced by a user and a first coarse evaluation for a sign of operator control is performed and a predetermined number of sensor measured values are progressively buffer-stored in a buffer store wherein detection of a sign of operator control initiates a fine evaluation of the sensor measured values to verify the occurrence of an operator control event at an initiation time. The fine evaluation is based on the buffer-stored sensor measured values and on subsequent sensor measured values, so that the fine evaluation includes sensor measured values both before and after the initiation time. | 05-23-2013 |
20130162271 | CAPACITIVE DISTANCE SENSOR - A capacitive distance sensor is provided having an elongated sensor element. The sensor element comprises a cylindrical carrier body, which is made of an electrically non-conductive material and has a round cross-sectional areas, and a sensor area which substantially surrounds the carrier body in the manner of a sheath and is made of an electrically conductive material. | 06-27-2013 |
20130193989 | CAPACITIVE DISTANCE SENSOR - A capacitive distance sensor is provided. The distance sensor includes a sensor element having an electrically conductive, elongated, flat sensor area which in turn contains a number of holes. The sensor area is completely surrounded by an electrically non-conductive insulating body, with the result that the insulating body completely covers the edge regions of the holes. The sensor element is produced, in particular, by first of all making the holes in the sensor area. In a subsequent step, the sensor area is completely encased by the insulating body which also completely fills the holes in the sensor area. | 08-01-2013 |
20130291439 | SENSOR UNIT AND METHOD FOR CONTACTLESSLY ACTUATING A VEHICLE DOOR - A capacitive sensor unit is disposed for contactlessly actuating a vehicle door. The sensor unit has an electrode assembly with at least three electrodes that are disposed in a spaced relationship. The electrodes include a first transmitting electrode, a second transmitting electrode, and a receiving electrode arranged between the two transmitting electrodes. | 11-07-2013 |
20130293245 | SENSOR UNIT FOR REMOTELY ACTUATING A VEHICLE DOOR, VEHICLE DOOR HAVING THE SENSOR UNIT AND METHOD OF PRODUCING THE SENSOR UNIT - A capacitive sensor unit is not susceptible to failure and remotely actuates a door of a vehicle. The sensor unit contains an electrode assembly having an elongated sensor electrode and a supply line for electrically connecting the sensor electrode to an evaluation unit. The supply line is surrounded by a shield. An additional ground conductor, which is electrically conductively connected to the shield over the entire length of the supply line, is connected in parallel to the supply line. | 11-07-2013 |
20130321006 | METHOD FOR MEASURING CAPACITANCE AND CAPACITIVE SENSOR UNIT - A method measures a capacitance. According to the method, a first detection measurement for the capacitance which is to be measured is detected by a first measurement method during a first measurement phase. In this case, a second measurement phase is started when the first detection measurement satisfies a transition criterion. A second detection measurement for the capacitance which is to be measured is detected during the second measurement phase by a second measurement method which differs from the first measurement method. The second measurement method has higher measurement accuracy than the first measurement method but also greater energy expenditure. | 12-05-2013 |
20140002116 | CAPACITIVE SENSOR FOR AN ANTI-COLLISION APPARATUS | 01-02-2014 |
20140165469 | DRIVE ARRANGEMENT OF THE MOTORIZED ADJUSTMENT OF A CLOSURE ELEMENT OF A MOTOR VEHICLE - The invention relates to a drive arrangement for the motorized adjustment of a closure element of a motor vehicle, wherein the drive arrangement, in the installed state, is coupled in drive terms to the closure element. It is proposed for the drive arrangement to have at least one drive, which is intended for generating drive movements and in or on which is arranged an acoustic indicator for supplying acoustic feedback to the user. | 06-19-2014 |
20140324273 | METHOD FOR GENERATING AN OPERATOR CONTROL MESSAGE WHEN AN OPERATOR CONTROL EVENT OCCURS - The invention relates to a method for detecting an operator control event using a sensor arrangement having at least one proximity sensor and a sensor controller, the operator control event being generated by a user of a vehicle. A first coarse evaluation of the sensor measured values for the occurrence of an operator control sign is carried out, that a predetermined number of the respective last sensor measured values of at least one sensor element are buffered, that the detection of an operator control sign triggers a fine evaluation of the sensor measured values for verifying the occurrence of an operator control event at a triggering time, and that the fine evaluation is based on the buffered sensor measured values and on the temporally subsequent sensor measured values, with the result that sensor measured values both before and after the triggering time are included in the fine evaluation. | 10-30-2014 |
20140373447 | CONTROL SYSTEM - The invention relates to a control system for driving a motorized closure element of a motor vehicle, wherein, in order to detect operator control events, at least one sensor control means and at least one elongate distance sensor which extends along a sensor extent are provided, wherein the sensor control means drives the associated distance sensor and/or evaluates the sensor signals from said distance sensor, and wherein the distance sensor detects a distance from a user. It is proposed that, with the control system installed, a vehicle component is arranged or can be arranged in or along the sensor extent, and that the distance sensor is designed such that it has a blind section in the region of the vehicle component, said blind section having no sensitivity or a lower level of sensitivity compared to that region of the distance sensor which adjoins the blind section. | 12-25-2014 |
20150070033 | CAPACITIVE SENSOR FOR A VEHICLE - A capacitive sensor for a vehicle includes an evaluation unit as well as a first transmission electrode and a second transmission electrode for transmitting a respectively associated first measurement signal and second measurement signal. The two transmission electrodes are connected to a respective first and second transmitter output of the evaluation unit through an assigned first and second transmission line respectively. The evaluation unit alternately outputs the first measurement signal via the first transmitter output and the second measurement signal via the second transmitter output. The evaluation unit also connects the respective non-transmitting second or first transmitter output to reference potential. Alternatively, a common transmission electrode may output the measurement signal which is then picked up by first and second receiver electrodes. | 03-12-2015 |
20150077141 | Capacitive sensor for an anti-collision apparatus, and capacitive sensor - A capacitive sensor is configured for detecting an object, in particular for detecting a collision in the case of a movable vehicle part, and an anti-collision apparatus has such a sensor. The sensor has an electrode arrangement with at least one transmitting electrode and at least one or more receiving electrodes. The sensor has a signal generation circuit which is connected upstream of the at least one transmitting electrode. The signal generation circuit generates a transmission signal in the form of a square-wave pulse signal corresponding directly to a pseudo-random bit string. | 03-19-2015 |